Metallic screen



METALLIC SCREEN Filed Nov. 17 192 L a W INVENTOR:

ATTORNE S Patented Au fiv, 1926.

UNITED STATES PATENT OFFICE.

ARTHUR L. OTTO, OF PHILADELPHIA, PENNSYLVANIA, ASSIGNOR TO ORANGE SCREENCOMPANY OF MAPLEWOOD, NEW JERSEY, A CORPORATION OF NEW JERSEY.

IMIIEITAILLIC SCREEN.

My invention relates to a certain rew and useful construction inmetallic screens for windows, doors and .the like, whereby a solid andintegral metallic screen frame structure is produced, which will be inthe true sense of the word a single unitary structure without anymechanical or visible joints or seams of any kind, being in effect .acontinuous metallic structure throughout the periphery and the frame andwhich frame moreover will be provided with suitable screen retaininggrooves or recesses or channels, as well as suitable channeled, solid orrounded outer edges. to adapt the same for various uses to which suchscreens are put, namely to adapt the same to sliding as well as tohinged screens for windows, doors and the like.

With the above ends in view my invention consists of a certain new andnovel metallic screen, and the method of making the same, whereby theframe is produced which is much more serviceable, durable and rigid thanmetallic screen frames produced heretofore, and which in addition to theabove advantages-are far more attractive in appearance than the screensand screen frames known heretofore, which have been made exclusively ofsheet metal.

My invention further consists of a novel method of making metallicscreens. and screen frames which consists in extruding through'thesuitable dies 9. solid metal, screen retaining channel piece, severingsaid screen retaining channel piece into suitable lengths with mitredends, welding or fusing such ends together to form suitably sized andshaped integral, unitary and continuous metallic screen frame, having asuitable screen retaining channel along the inner edges of one of itsfaces. Aluminum or aluminum alloy is preferred for the screen retainingchannel pieces, since in addition to lightness they impart otheradvantages to the screen frame, as will be brought out hereinafter.

My invention further consists of a nove screen frame structure which inaddition to being possessed of extreme stren h and rigidity, will alsobe light and which will be provided with novel screen retainin'g meanswithin said inner screen retaining channels, for replaceably securingmetal screening to the frame.

It has been customary heretofore in making metallic screen frames, toshape the frame members out of strips of bendable sheet metalybendingthe sheet metal back upon itself into various complex cross sectionalshapes in an effort to obtain a rigid structure. Due to the very natureof the construction, however, no screen frame of any considerable sizecould be produced sufficiently rigid without the use of some reinforcingmeans. This was particularly noticeable in the case of the mitred cornerjoints, which heretofore have been soldered along the thin contactingedges of the sheet metal, and in addition to the soldered joint, havebeen .braced in some manner. This construction, however, gave resultsnot entirely satisfactory, and particularly so in screen frames oflargezproportions in which case the screen was subject to distortions.

By my present invention moreover, an extruded metallic screen frame maybe provided having screen retaining channels in a face thereof, ofsubstantially uniform crosssection and having the walls thereofsubstantially parallel, and having a substantially parallel walledanchoring member seated in said channels. adapted to secure the edges ofa screen fabric therein, without the aid of any positive interlockingmeans, such as the interlocking of the splines in the inwardly enlargedscreen retaining channels employed in the built up sheet metal screenframes of the prior art, used extensively heretofore.

This securing action between the screen cloth,'pressed flatly, andrelatively lightly,

against the inner surface of the channel, with the dislo dging forceacting at a right. angle to the line of extrusion of said frame membersand said channel, is due partly to the interengagement obtained betweenthe apparently and relatively smooth extruded surfaces of the channeland anchor member on one hand, and the raised or high intersectingpoints of the wires of the screen cloth and the series of minute,parallel longitudinal ridges and furrows, the

grain of the metal, on the other hand, w ich are formed in theapparently smooth inner walls of the channel'as a result of extrusion,longitudinaly of, and parallel to, said channel.

This novel lockin action between the relatively smooth walls of thechannel and the anchor member and screen cloth, may further beaugmented, by extruding the frame members of a relatively malleable andyet rigid and strong metal, such as aluminum or an aluminum alloy; sinceby such novel means a further locking action is obtained, by the gradualembeddin of the raised or high intersecting points 0 the wires of thescreen cloth, in the inner surface of the screen retaining channel.

For the purpose of illustrating my invention, I have shown in theaccompanying drawingsforms thereof which are at present preferred b me,since they will give in practice satis actory and reliable results,although it is to be understood that the various instrumentalities ofwhich my in vention consists can be variously arranged and organized andthat my invention is not limited to the precise arrangement andorganization of these instrumentalities as herein shown and described.

Referrin to the drawings in which like reference 0 aracters indicatelikeaparts.

Figure 1 represents a perspective view of a corner section of a novelscreen frame structure embodying my invention.

Figure 2 represents a perspective view of a corner section of a modifiedform of a novel screen frame structure embodying my invention.

Figure 3 represents a similar erspective view of a corner sectionillustrating a third modification of my novel metallic screen.

Figure 4 represents a horizontal sectional view of a novel screen frameembodying my invention, on the line 4-4 of Figure 1, composed ofvertical stiles of the construction shown inFigure 1, a top rail of theconstruction shown in Figure 2, and having abottom rail of aconstructionshown in Fi ure 3, all integrally united.

Figure 5 repersents a modified section of a rail similar to that shownin Figure 2, having a rounded outer edge.

Figure 6 represents a modified section of a rail similar to that shownin Figure 3, rounded at the outer edge.

Figure 7 represents a section of a rail similar to that shown in Figure3, illustrating a modified means of securing a screen to the frame,which is'adaptable to any one of the rails or stiles shown in Figures 1,2, and 3.

Referring to Figure 1 of the drawings, 1

. designates a rail or stile of my novel metalhe screen which is formedby extruding a suitable metal through a properly shaped die, in a hotand plastic condition. The stile 1 shown in Figure 1, is adapted chieflyto vertically sliding screens, and consists of the inner screenretaining recess or channel 2, along the inner edge thereof, a guidingchannel or recess 3 along the outer edge thereof, and a plurality ofcentral webs 4 and 5 between the guiding channel 3- and the screenretaining channel 2. The screen 6 extending over the frame 7, is securedat its edges by means of the locking strip 8, which is an inverted Ushape metallic channel strip, by forcing said inverted U-shapedanr-horing'strips into the screen retaining channel 2, as shown in eachof the Figures 1, 2. and 3, over the edges of the screen 6. therebylocking said screen within said screen retaining channel 2.

If desired all four sides of the frame 7 may be formed of the rail 1shown in Figure 1, by uniting mitred ends of said rails by means ofwelding or fusion, thus producing continuous, integral and solid metalframe structure. Instead of using the rail lshown in Figure 1, I may useas the top and bottom rails of my screen frame, or possibly only as thetop rail, the rail 14 shown in Figure '2 of the same outside dimensionsas that shown in Figure 1, havouter guiding channel 3 when such is notdesired as at the top rail.

It added rigidity is desired, as in the case of the lower rail 12 of theframe, it is within the scope of my invention, to make the body portion13 of said rail or stile solid, as-

shown in Figure 3, thereby imparting greater rigiditv-and strength tosuch memer. a

' In constructing the metal screen frame according to my invention, Imay avail myself of any one, several, or all of these rails shown inFigures 1, 2', and 3, to produce the said continuous and integralstructure shown in Figure 4, having thebottom rail 12 and the top rail14, andthe stiles 15 and 16 in the embodiment of my invention shown inFigure-4.- .The bottom rail 12 is provided with the solid body 13, shownparticularly in Figure 3, while the top rail has the hollow body 14 asillustrated in Figure 2, while the side stiles are provided with theouter guiding channel 3, as illustrated in Figure 1. Figure 4 shows veryclearly the method of uniting the various stiles and rails into atFigure 4, I may provide for the stile members, such as shown in Figuresand 6,

having the 'body portions 13 either hollow or solid as shown in Figures5 and 6 and having outer edges 19 rounded so as to produce a closefitting joint along the hinged edge in any position of the frame.

I may also provide a second modified form of a screen locking andanchoring device 20, within said screen retaining channels 2, consistingof a spline 20 of substantially rectangular form or cross section, andhaving a groove 21 along one side thereof, which is engaged by a seriesof set screws 22 along the length of said rails and stiles, extendingthrough and threaded into the central webs 4 or 5, or bein passedthrough threaded openings 23, wit in solid body portions 13, in whichcase said body portions are recessed as shown at 24 so as to receive thehead 25 of said set screw.

It is thus clearly seen from the above description that the screen of mynovel construction embodies a number of distinct advantages; among them,the extreme strength and resistance of the frame members,

. against any force tending to crush the same,

less light and air when in position, and

being of. neater design and less consplcuous. The general appearance ofthe completed screen is further enhanced by the fact that no ]oints arevisible.

The solid metal construction possesses the further advantage that someof the metal of the body portions 13 may be removed without materiallyimpairing the rigidity of the frame. This is of particular utility whensmall adjustments in size of the finished frame are necessary to correctfor errors in measurement, as well as in cases where parts of the framemust be cut away to clear obstructions on the sill, such as shutterfasteners. Such alterations and adjustments by removing part of themetal are impossible with sheet metal screen frames, since any removalof metal of any frame member will materially impair the strength of thesame. 1

Having thus described my invention what I claim as new and desire tosecure by Letters Patent, is

1. In a metallic screen, a frame composed of integral extruded metalrails and stiles, a screen retaining channel in a faceof said frame, ascreen cloth extending over said frame and having its edges extendinginto said channel and a screen cloth retaining anchor member in saidchannel.

2. In a metallic screen, a frame composed of integral extruded metalrails and stiles composed chiefly of aluminum, a screen retainingchannel in a face of said frame, a screen cloth extending over saidframe and having its edges extending into said channel, and a screencloth retaining anchor member in said channel.

3. In a metallic screen, a frame composed of integrally extruded metalrails and stiles, outer guide channels in the outer edges of said frame,and inner screen retaining recesses in a face of said frame formedsimultaneously with the extrusion of said rails and stiles, a screenfabric extending over said frame, and means foi' securing the edges ofsaid screen fabric in said recesses.

4. In a metallic screen, a frame composed of integrally extruded metalrails and stiles, having outer guide channels to receive guide strips,a. screen retaining recess in each of said rails and stiles, a screencloth extending .over said frame, and having its edges extending intosaid recess, and means to retain the edges of said screen cloth in saidscreen retaining recess.

5. In a metallic screen, a frame composed of integrally extrudedmetallic rails and stiles, composed chiefly of aluminum, having outerguide channels to receive guide strips,

a screen retaining recess in each of said rails and stiles, a screencloth extending over said frame, and having its edges extending intosaid recess, and means to retain the edges of said screen cloth in saidscreen retaining recess.

6. In a metallic screen, a frame composed of integrally extruded metalframe members, outer guide channels in the outer edges of said frame, ascreen retaining recess along the inner edges of said frame, a screenfabric extending over said frame and having its edges positioned in saidrecess, and a screen fabric retaining anchor member seated within said.recess, for securing the edges of said screen fabric therein. I

7. In a metallic screen, a frame com osed of integrally extrudedaluminum ame members, outerv guide channelsjin the outer edges of saidframe, a screen retaining recess along the inner edges of said frame, a-

screen fabric extending over said frame and having its edges positionedin said recess, and a screen fabric retaining anchor member seatedwithin said recess, for securing the edges of said screen fabrictherein.

8. In a metallic screen, an integral frame composed of integral extrudedmetal frame members, an inner screen retaining channel in a facevof saidframe along the inner peripheral edges thereof, screen cloth ex tendingover said frame and havmg its A edges extending into said channel, and amembers, an inner screen retaining channel in a face of said frame alongthe inner peripheral edges thereof, screen cloth extending over saidframe and having its edges extending into said channel, and a screencloth retaining anchor member in said channel.

10. In a metallic screen, a frame composed of double channelled integralextruded metal rails and stiles, integrally united, one of said channelsof each rail and stile being in the face of the frame and the other ofsaid channels being in the outer edges thereof.

11. In a metallic screen, a frame com osed of double channelled integralextrude aluminum alloy rails and stiles, inte 'rall united, one end ofsaid channels of and stile being in the face of said frame and the otherof said channels being in the outer edges thereof, a screen fabricextending over said frame and having its edges positioned in said facechannels, and a. screen fabric anchor member in said channels to lockthe edges of the fabric therein.

12. In a metallic screen, a frame composed of integral extruded metalrails and' stiles, outer guide channels in the edges of said frameadapted to receive guide strips, inner screen retaining channels in aface of said frame, screen fabric extending over said frame having .itsedges positioned in said screen retaining channels, and screen fabricretaining anchor members seated in said screen retaining channels overthe edges of said fabric to lock the same therein.

13. In a metallic screen, a frame composed of integral extruded metallicrails and stiles composed chiefly of aluminum, outer guide channels inthe edges of said frame adapted to receive guide strips, inner screenretaining channels, in a face of said frame, screen fabric extendingover saidframe having its edges positioned in said screen retainingchannels, and screen fabric retaining anchor members seated in saidscreen retaining channels over the edges of said fabric to lock the sametherein.

14. A metallic screen frame consisting of extruded metallic rails andstiles and having screen cloth retaining recesses formed in said railsand stiles during the extrusion thereof, for receiving edges of a screenfabric, ,and means coacting with said recesses. for securing the edgesof the screen fabric therein.

15. A metallic screen frame consisting of extruded metallic rails andstiles, integrally united by fusion, each of said rails and stileshaving screen cloth retainingrecesses formed therein during theextrusion thereof,

eac h rail r for receiving the edges of a screen fabric,

and means coacting with said recesses for securing the edges of thescreen fabric therein.

16. A metallic screen frame consisting of extruded aluminum rails andstiles and havin screen cloth retaining recesses formed in sald railsand stiles during the extrusion thereof, for receiving edges of ascreen. fabric, and means coacting with said recesses for securing theedges of the screen fabric therein.

17. A metallic screen frame consisting of extruded aluminum rails andstiles, integrally united by fusion, each of said rails and stileshaving a screen cloth retaining recesses formed therein during theextrusion thereof, for receiving the edges of a screen fabric, and meanscoacting with said recesses for securing the edges of the screen fabrictherein.

18. A metallic screen frame consisting of extruded rails and stiles,each of said rails and stiles having a screen retaining channel formedin a face thereof along the inner edges of said frame.

19. A metallic screen frame consisting of extruded metallic rails andstiles composed chiefly of aluminum integrally united by fusion, each ofsaid rails and stiles having a screen retaining recess formed in a faceof said frame and along the inner edge of said frame. I

20. A metallic screen frame composed of integrally extruded metallicrails and stiles each having a substantially parallel walled screenretaining channel formed in a face thereof and screen cloth retaininganchor members adapted to seat in said channels and to coact with theparallel walls thereof to retain the edges of the screen fabric therein.

21. A metallic screen frame composed of integrally extruded metallicrails and stiles composed chiefly of a1 inum, each having asubstantially paralle walled screen retaining channel formed in a facethereof and screen cloth retaining anchor members adapted to seat insaid channels and to coact with the parallel walls thereof to retain theedges of the screen fabric therein.

22. The method of making metallic screen frames for doors, windows, andthe like which consists in extruding a rail-from plastic metal,therewith forming a screen retaining recess in a face thereof,transversely severing said rail at predetermined points to form framemembers and lastly rigidly uniting the terminals of said frame membersend 'to end at angles to each other to form frames for doors, windows,and the like which consists in extruding a rail from plastic metal,therewith forming a substantially arallel walled screen retainingchannel in a ace thereof, transversely severing said rail atpredetermined points to form frame members and lastly rigidly unitingthe terminals of said frame members end to end at angles to each otherto form a rigid and continuously closed frame with the screen retainingchannel in a face thereof.

24;. The method of making metallic screen frames for doors, windows, andthe like which consists in extruding a rail from plastic metallicmaterial composed chiefly of aluminum, therewithforming a screenretaining recess in a face thereof, transversely severing said rail atpredetermined points to form frame members and lastly rigidly unitingthe terminals of said frame members end to end at angles to each otherto form a rigid and continuously closed frame with the screen retainingrecess in a face thereof. v

25. The method of making metallic screen frames for doors, windows, andthe like which consists in extruding a rail from plastic metallicmaterial composed chiefly of aluminum, therewith forming a substantiallyparallel walled screen retaining channel in a face thereof, transverselysevering said rail at predetermined points to form frame members andlastly rigidl uniting the terminals of said frame memgers end to end atangles to each other to form a rigid and continuuously closed frame withthe screen retaining channel in a face thereof.

ARTHUR L. OTTO.

